browser_name = navigator.appName;
browser_version = parseFloat(navigator.appVersion);

if (browser_name == "Netscape" && browser_version >= 3.0) { roll = 'true'; }
else if (browser_name == "Microsoft Internet Explorer" && browser_version >= 3.0) { roll = 'true'; }
else { roll = 'false'; }


function over(img,ref) { if (roll == 'true') { document.images[img].src = ref; } }
function out(img,ref)  { if (roll == 'true') { document.images[img].src = ref; } }


function preloadImg(file){
  image = new Image();
  image.src = file;
}

function rol_img() {	
	preloadImg('img/menu/contact_us-on.jpg');
	preloadImg('img/menu/tour_our_shop-on.jpg');
	preloadImg('img/menu/bikes_parts_for_sale-on.jpg');
	preloadImg('img/menu/paint_gallery-on.jpg');
	preloadImg('img/menu/faq-on.jpg');
	preloadImg('img/menu/links-on.jpg');
	preloadImg('img/menu/shipping_pricing_info-on.jpg');
	preloadImg('img/menu/estimate_page-on.jpg');	
}
function rol_imgIns() {	
	preloadImg('img/inside/menu/tour_our_shop-on.jpg');
	preloadImg('img/inside/menu/bikes_parts_for_sale-on.jpg');
	preloadImg('img/inside/menu/paint_gallery-on.jpg');
	preloadImg('img/inside/menu/faq-on.jpg');
	preloadImg('img/inside/menu/links-on.jpg');
	preloadImg('img/inside/menu/shipping_pricing_info-on.jpg');
	preloadImg('img/inside/menu/estimate_page-on.jpg');	
	preloadImg('img/inside/menu/contact_us-on.jpg');
}

function scroll_w() {
	
	if (isMSIE) {
		self.scrollTo(0);
	}
}